<!-- required css / js -->
<link href="/assets/plugins/summernote/dist/summernote-lite.css" rel="stylesheet">
<script src="/assets/plugins/summernote/dist/summernote-lite.min.js"></script>

<!-- html -->
<textarea name="text" class="summernote" id="contents" title="Contents">...</textarea>

<!-- script -->
<script>
  $('.summernote').summernote({
    height: 300
  });
</script>